function hitCertifica(sitio_id,path,descr) {
    var size, colors, referrer, url;
    size = colors = referrer = 'otro';
    referrer = escape(document.referrer);
    if ( window.screen.width ) size = window.screen.width;
    if ( window.screen.colorDepth ) colors = window.screen.colorDepth;
    else if ( window.screen.pixelDepth ) colors = window.screen.pixelDepth;
    url = 
       'http://prima.certifica.com/cert/hit.dll?sitio_id=' + sitio_id + '&path=' + path +
       '&referer=' + referrer + '&size=' + size + '&colors=' + colors;
    url += '&java=' + navigator.javaEnabled();
    
	if (descr)
        url += '&descr=' + escape(descr);
    document.writeln( '<img src="' + url + '" width="1" height="1" border="0" alt="Certifica.com">' );
    
	//autorefresh IAB	
	//if (typeof(cert_IsAutoRefresh) == 'undefined') {
	//	url = 'http://hits.e.cl/cert/hit.dll?sitio_id=' + sitio_id + '&path=' + path ;
	//	document.writeln( '<img src="' + url + '" width="1" height="1" border="0" alt="Certifica.com">' );
	//}

}
